Bridgepoint Education (NYSE:BPI) earns an F (“strong sell”) this week, moving down from last week’s grade of D (“sell”). Bridgepoint Education is a provider of postsecondary education services. The stock also gets an F in Earnings Surprise. For a full analysis of BPI stock, visit Portfolio Grader.

The rating of Universal Technical Institute (NYSE:UTI) slips from a D to an F. Universal Technical Institute is a provider of postsecondary education for students seeking careers as automotive, diesel, collision repair, motorcycle and marine technicians. The stock receives F’s in Earnings Growth, Earnings Revisions, and Earnings Surprise. Margin Growth and Sales Growth also get F’s. The trailing PE Ratio for the stock is 30.10. To get an in-depth look at UTI, get Portfolio Grader’s complete analysis of UTI stock.

Strayer Education (NASDAQ:STRA) is having a tough week. The company’s rating falls from a D to an F. Strayer University is a for-profit post-secondary education services corporation. Its institutions offer undergraduate and graduate degree programs. The stock gets F’s in Earnings Growth and Sales Growth. The stock price has dropped 10.6% over the past month, worse than the 4.7% increase the Nasdaq has seen over the same period of time. As of Jan. 16, 2013, 17.2% of outstanding Strayer Education shares were held short. For more information, get Portfolio Grader’s complete analysis of STRA stock.

Louis Navellier’s proprietary Portfolio Grader stock ranking system assesses roughly 5,000 companies every week based on a number of fundamental and quantitative measures. Stocks are given a letter grade based on their results — with A being “strong buy,” and F being “strong sell.” Explore the tool here.